19871416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{547}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 39456000

約数和(自身を除く): 19584584

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 547, 956, 1094, 1912, 2188, 4376, 4541, 9082, 10393, 18164, 20786, 36328, 41572, 83144, 130733, 261466, 522932, 1045864, 2483927, 4967854, 9935708, 19871416]

約数ペア:

[(1, 19871416), (2, 9935708), (4, 4967854), (8, 2483927), (19, 1045864), (38, 522932), (76, 261466), (152, 130733), (239, 83144), (478, 41572), (547, 36328), (956, 20786), (1094, 18164), (1912, 10393), (2188, 9082), (4376, 4541)]